cve-2024-27392
Vulnerability from cvelistv5
Published
2024-05-01 13:05
Modified
2024-11-05 09:21
Severity ?
Summary
nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/534f9dc7fe495b3f9cc84363898ac50c5a25fccb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8d0d2447394b13fb22a069f0330f9c49b7fff9d3
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-27392\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T13:15:51.793\",\"lastModified\":\"2024-05-01T19:50:25.633\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse()\\n\\nWhen nvme_identify_ns() fails, it frees the pointer to the struct\\nnvme_id_ns before it returns. However, ns_update_nuse() calls kfree()\\nfor the pointer even when nvme_identify_ns() fails. This results in\\nKASAN double-free, which was observed with blktests nvme/045 with\\nproposed patches [1] on the kernel v6.8-rc7. Fix the double-free by\\nskipping kfree() when nvme_identify_ns() fails.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nvme: host: corrige la doble liberaci\u00f3n de la estructura nvme_id_ns en ns_update_nuse() Cuando nvme_identify_ns() falla, libera el puntero a la estructura nvme_id_ns antes de que regrese. Sin embargo, ns_update_nuse() llama a kfree() para el puntero incluso cuando nvme_identify_ns() falla. Esto da como resultado KASAN double-free, que se observ\u00f3 con blktests nvme/045 con parches propuestos [1] en el kernel v6.8-rc7. Corrija el doble libre omitiendo kfree() cuando falla nvme_identify_ns().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/534f9dc7fe495b3f9cc84363898ac50c5a25fccb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8d0d2447394b13fb22a069f0330f9c49b7fff9d3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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